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(-) Description

Title :  SOLUTION STRUCTURE OF THE BACILLUS LICHENIFORMIS BLAI MONOMERIC FORM IN COMPLEX WITH THE BLAP HALF-OPERATOR.
 
Authors :  J. Boudet, V. Duval, H. Van Melckebeke, M. Blackledge, A. Amoroso, B. Joris, J. -P. Simorre
Date :  20 Mar 07  (Deposition) - 12 Jun 07  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B,C  (10x)
Keywords :  Protein-Dna Complex, Repressor, Monomer, Operator, Antibiotics, Transcription Regulator (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Boudet, V. Duval, H. Van Melckebeke, M. Blackledge, A. Amoroso, B. Joris, J. P. Simorre
Conformational And Thermodynamic Changes Of The Repressor/Dna Operator Complex Upon Monomerization Shed New Light On Regulation Mechanisms Of Bacterial Resistance Against Beta-Lactam Antibiotics.
Nucleic Acids Res. V. 35 4384 2007
PubMed-ID: 17576674  |  Reference-DOI: 10.1093/NAR/GKM448
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - STRAND 1 OF TWELVE BASE-PAIR DNA
    Chains: A
    Engineered: YES
    Other Details: CHEMICALLY SYNTHETIZED BACILLUS LICHENIFORMIS BLAP HALF-OPERATOR
    Synthetic: YES
 
Molecule 2 - STRAND 2 OF TWELVE BASE-PAIR DNA
    Chains: C
    Engineered: YES
    Other Details: CHEMICALLY SYNTHETIZED BACILLUS LICHENIFORMIS BLAP HALF-OPERATOR
    Synthetic: YES
 
Molecule 3 - PENICILLINASE REPRESSOR
    Chains: B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET22B
    Expression System Strain: BL21(DE3) PLYS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN
    Gene: BLAI, PENI
    Organism Scientific: BACILLUS LICHENIFORMIS
    Organism Taxid: 1402
    Strain: BACILLUS LICHENIFORMIS 749/I
    Synonym: REGULATORY PROTEIN BLAI, BETA-LACTAMASE REPRESSOR PROTEIN

 Structural Features

(-) Chains, Units

  
NMR Structure (10x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2P7C)

(-) Sites  (0, 0)

(no "Site" information available for 2P7C)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2P7C)

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:DNA  Length:12
                                           
                  2p7c A  1 AAAGTATTACAT 12
                                    10  


Chain B from PDB  Type:PROTEIN  Length:82
 aligned with BLAI_BACLI | P06555 from UniProtKB/Swiss-Prot  Length:128

    Alignment length:82
                                    10        20        30        40        50        60        70        80  
            BLAI_BACLI    1 MKKIPQISDAELEVMKVIWKHSSINTNEVIKELSKTSTWSPKTIQTMLLRLIKKGALNHHKEGRVFVYTPNIDESDYIEVKS 82
               SCOP domains d2p7cb1 B:1-82 Penicillinase repressor BlaI                                        SCOP domains
               CATH domains 2p7cB00 B:1-82 'winged helix' repressor DNA binding domain                         CATH domains
               Pfam domains ------Pencillinase_R-2p7cB01 B:7-82                                                Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhh...hhhhhhhhhhhhh..hhhhhhhhhhhhhhhh.eeee......eeee............ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  2p7c B  1 MKKIPQISDAELEVMKVIWKHSSINTNEVIKELSKTSTWSPKTIQTMLLRLIKKGALNHHKEGRVFVYTPNIDESDYIEVKS 82
                                    10        20        30        40        50        60        70        80  


Chain C from PDB  Type:DNA  Length:12
                                           
                  2p7c C 13 ATGTAATACTTT 24
                                    22
   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

NMR Structure
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: HTH (544)

(-) Gene Ontology  (6, 6)

NMR Structure(hide GO term definitions)
Chain B   (BLAI_BACLI | P06555)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
biological process
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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UniProtKB/Swiss-Prot
        BLAI_BACLI | P06555: 1p6r

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